Question 24A chemist has $m$ ounces of salt water that is $m\%$ salt. How many ounces of salt must he add to make a solution that is $2m\%$ salt?$\dfrac{m}{100+m}$$\dfrac{2m}{100-2m}$$\dfrac{m^2}{100-2m}$$\dfrac{m^2}{100+2m}$$\dfrac{2m}{100+m}$